I'd use you'd use he'd use we'd use you'd use they'd use
V-ing form
I'd be using you'd be using he'd be using we'd be using you'd be using they'd be using
Perfect
I would've used you would've used he would've used we would've used you would've used they would've used
V-ing perfect
I would've been using you would've been using he would've been using we would've been using you would've been using they would've been using
Negation
Simple form
I wouldn't use you wouldn't use he wouldn't use we wouldn't use you wouldn't use they wouldn't use
V-ing form
I wouldn't be using you wouldn't be using he wouldn't be using we wouldn't be using you wouldn't be using they wouldn't be using
Perfect
I wouldn't have used you wouldn't have used he wouldn't have used we wouldn't have used you wouldn't have used they wouldn't have used
V-ing perfect
I wouldn't have been using you wouldn't have been using he wouldn't have been using we wouldn't have been using you wouldn't have been using they wouldn't have been using
Interrogative form
Simple form
would I use? would you use? would he use? would we use? would you use? would they use?
V-ing form
would I be using? would you be using? would he be using? would we be using? would you be using? would they be using?
Perfect
would I have used? would you have used? would he have used? would we have used? would you have used? would they have used?
V-ing perfect
would I have been using? would you have been using? would he have been using? would we have been using? would you have been using? would they have been using?
Interro-negative form
Simple form
wouldn't I use? wouldn't you use? wouldn't he use? wouldn't we use? wouldn't you use? wouldn't they use?
V-ing form
wouldn't I be using? wouldn't you be using? wouldn't he be using? wouldn't we be using? wouldn't you be using? wouldn't they be using?
Perfect
wouldn't I have used? wouldn't you have used? wouldn't he have used? wouldn't we have used? wouldn't you have used? wouldn't they have used?
V-ing perfect
wouldn't I have been using? wouldn't you have been using? wouldn't he have been using? wouldn't we have been using? wouldn't you have been using? wouldn't they have been using?